Pachycephalosaurus wyomingensis
species · (Gilmore 1931) · accepted · extinct
26 fossil sites · 6 formations · 2 countries
Lived when
Cretaceous – Paleogene
83.6–66 million years ago
Found where
2 countries
6 rock formations
Fossil record
26 sites
0 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 18 million years, from 83.6 to 66 million years ago.
- The youngest known fossil is around 66 million years old — that is roughly 220 times further back than the whole of human history.
- Pachycephalosaurus wyomingensis was named in 1931 ((Gilmore 1931)) — 95 years ago.
- Fossils have been recorded in 2 countries and 6 named rock formations.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).